Technologies-expected : Active Directory VMware Hyper-V Cisco Microsoft SQL Server technologies-optional : Payer Zabbix Wazuh Ansible Microsoft Azure Entra ID about-project : Our daily responsibilities include maintaining the IT infrastructure and providing internal customer service. We use various IT technologies, including MS systems and services and other systems and services related to Linux, automation, virtualization, LAN and WAN. responsibilities : Administration of permissions, access and accounts Maintaining and developing IT infrastructure based on Microsoft Windows environment and related systems Performing system upgrades and migrations, minimizing downtime and ensuring compatibility Proactively monitoring systems and troubleshooting problems, monitoring and deploying security patches, anti-virus and related updates, performing daily checks of systems, system logs and application logs Developing procedures and documentation for deployed and maintained systems, including troubleshooting procedures and guides Actively collaborating with teams, including working closely with infrastructure administrators and the Help Desk team to resolve issues and interdependencies, and working with development and Dev Ops teams Taking an active part in the development and testing of new IT solutions Providing technical support to users in the area of system and application software requirements-expected : Minimum 3 years of practical experience as an IT Systems Administrator MS Windows Server - administration and maintenance at an advanced level Practical experience with Microsoft Server Services: MS Active Directory - administration, maintenance, security, development (AD, GPO and GPP), DNS, DHCP, WSUS, FS, RDS, PKI, and others MS SQL - administration and maintenance Process automation in a Windows environment - creating Powershell scripts Knowledge of virtualization technologies (VMware/Hyper-V) Knowledge of networking issues at the Cisco CCNA R&S level Independence, very good analytical skills and effective cooperation in a team of IT professionals Polish language - native level, English - minimum B2 level Willingness to work on site in Zabierzów at least 3 days a week offered : Individual training budget and days off from work Flexible working hours Relocation package Medical care and life insurance My Benefit cafeteria and Multisport Subsidized meals Sports and integration events Language classes Referral program Work-life balance Healthy snacks, fruits and vegetables Yoga and fitness sessions at the office Carpooling benefits : sharing the costs of sports activities private medical care sharing the costs of foreign language classes sharing the costs of professional training & courses life insurance flexible working time integration events corporate sports team corporate library no dress code parking space for employees leisure zone pre-paid cards holiday funds redeployment package christmas gifts employee referral program charity initiatives family picnics one shorter working day